Improvements in which area would help reduce the possibility of damage to the environment when using uranium as a fuel?

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

What is i fracture in the crust called when land move up, down or sideways

Match the mixture with the substance// i really need on this guys (it’s a pic btw)